115530305580 has 72 divisors (see below), whose sum is σ = 351082887792. Its totient is φ = 30751733376.

The previous prime is 115530305563. The next prime is 115530305621. The reversal of 115530305580 is 85503035511.

115530305580 is a `hidden beast` number, since 1 + 15 + 5 + 30 + 30 + 5 + 580 = 666.

It is a super-3 number, since 3×115530305580³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488227 + ... + 685146.

Almost surely, 2^115530305580 is an apocalyptic number.

115530305580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115530305580 is an abundant number, since it is smaller than the sum of its proper divisors (235552582212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115530305580 is a wasteful number, since it uses less digits than its factorization.

115530305580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173935 (or 1173930 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 115530305580 in words is "one hundred fifteen billion, five hundred thirty million, three hundred five thousand, five hundred eighty".